NookX

NookX is a Windows 10 Theme based on Animal Crossing: New Horizons' UI.
For 1703 / 1709 / 1803 / 1809 / 1903 / 1909 / 2004 / 20H2. Light Mode recommended.
Slightly outdated screenshot!
Note: Paid download is the same as free download.

Variants

Default - Green background for caption buttons, works only for 100% DPI.
NC - Normal Caption Buttons, works for all DPIs.
SB - Scroll Bars scale for all DPIs.
*Office - Theme doesn't affect Office colors.

Installation

0. CREATE A SYSTEM RESTORE POINT. I am not responsible for anything that happens
1. Patch your system by installing UltraUXThemePatcher
2. Copy contents from the Theme folder into C:\Windows\Resources\Themes
3. Apply theme in Settings > Personalization > Themes

You can also follow this guide: Guide To Installing Windows 10 Themes

Additional

WinAero Tweaker - Change system fonts and some useful tweaks
    - Window border padding: 7 (REQUIRED for Default variant)
    - Window title bar height: 19
OldNewExplorer - Remove ribbon and some useful tweaks
StartIsBack++ - Required for themed taskbar and start menu
    - Right-click Start Orb > Properties to open SIB properties
    - For better Start Orb add startorb.png in Start Orb folder
Blank It - Remove dropdown and refresh icon in address bar
T-Clock - Custom taskbar clock
Toggle bottom pane - Alt+Shift+P

Fonts used in Preview: Nunito & a particular Fontworks Rodin font extracted from the PS3 which can be easily found.
Icons used in Preview: arc-neutral
Drive Icons: Nook Storage (note that it doesn't have 48px version currently, which causes blur on certain view, I emailed Mantia and he said he will look into it some time.)

Special thanks to niivu for guiding me through some stuff I was unsure about.

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This theme does not cost any bells!
If you liked my work, feel free to purchase the paid version (no difference from free version)
Alternatively, you may also buy me a coffee

Updates
11 Aug 2021: Fix taskbar item right-click jump list
9 Nov 2020: Fix drive bar red fill when nearly full
31 Oct 2020: Fix explorer nav menu button, fix run dialog background color
10 Jun 2020: Fix combined taskbar items